EP2617882B1 - Garniturträger und Auflösewalze mit Schnellverschluss - Google Patents

Garniturträger und Auflösewalze mit Schnellverschluss Download PDF

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Publication number
EP2617882B1
EP2617882B1 EP13152014.0A EP13152014A EP2617882B1 EP 2617882 B1 EP2617882 B1 EP 2617882B1 EP 13152014 A EP13152014 A EP 13152014A EP 2617882 B1 EP2617882 B1 EP 2617882B1
Authority
EP
European Patent Office
Prior art keywords
carrier
base body
carding
spring
connecting element
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP13152014.0A
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German (de)
English (en)
French (fr)
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EP2617882A1 (de
Inventor
Josef Schermer
Mathias Burchert
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rieter Ingolstadt GmbH
Original Assignee
Rieter Ingolstadt GmbH
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Publication date
Application filed by Rieter Ingolstadt GmbH filed Critical Rieter Ingolstadt GmbH
Publication of EP2617882A1 publication Critical patent/EP2617882A1/de
Application granted granted Critical
Publication of EP2617882B1 publication Critical patent/EP2617882B1/de
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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H4/00—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques
    • D01H4/30—Arrangements for separating slivers into fibres; Orienting or straightening fibres, e.g. using guide-rolls
    • D01H4/32—Arrangements for separating slivers into fibres; Orienting or straightening fibres, e.g. using guide-rolls using opening rollers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/70—Interfitted members
    • Y10T403/7005—Lugged member, rotary engagement
    • Y10T403/7007—Bayonet joint

Definitions

  • the present invention relates to a clothing carrier for a rotatably mounted about an axis of rotation opening roller of an open-end spinning device with parts of a quick release, by means of which the clothing carrier is detachably fastened to a base body of the opening roller; an opening roller for an open-end spinning device with a base body and a clothing carrier, which are able to rotate about a common axis of rotation and are releasably connected together by means of a quick release; and an open-end spinning device with such an opening roller.
  • an opening roller for an open-end spinning device which has a base body, via which the opening roller is fastened on a drivable shaft. Furthermore, the opening roller on a clothing carrier, which is fixed by a clip connection in the axial direction of the body. Furthermore, the opening roller has a device for the positive connection of body and clothing carrier in the circumferential direction, which comprises a projection and a cooperating with this recess. The projection also forms a latching shoulder of the clip connection.
  • the disadvantage here is that the compound has only a small axial holding force due to the axial clip fastening.
  • Vibrations and vibrations occurring during operation can thus lead to a play forming between the clothing carrier and the main body, so that fibers settle in the connecting region of these two components. These accumulate and form a fiber ball, which peels off after a certain time and leads to impurities and / or irregularities in the yarn.
  • the US 4,196,496 shows a clothing carrier for an opening roller, which is detachably connected to the base body by means of a trained as a rotary closure quick release.
  • the quick release includes several, slidably mounted on the body in the axial direction, spring loaded bolt with an enlarged holding head.
  • the closure On the clothing carrier, the closure includes an undercut circumferential groove into which the holding heads of the bolts can be inserted via insertion openings oriented in the axial direction.
  • the base body is rotated relative to the clothing carrier in order to rotate the holding heads out of the region of the insertion openings and engage in recesses arranged circumferentially offset from the insertion openings.
  • the simultaneous pushing back and introducing the plurality of spring-loaded retaining bolts during assembly of the opening roller requires some skill.
  • a further step is required after the introduction of the bolt with the rotation of the clothing carrier relative to the base body.
  • the WO 87/06277 shows an opening roller, in which the main body is connected to the clothing carrier by means of a bayonet closure.
  • a bayonet closure For closer execution of this bayonet closure is the WO 87/06277 nothing removable.
  • the attachment of a bayonet closure requires a correspondingly complex processing of the parts to be joined.
  • the US 4,296,527 shows an opening roller, wherein the clothing carrier is screwed by means of a thread on the body.
  • the mounting of the clothing carrier on the opening roller requires several rotational movements and is therefore relatively expensive.
  • Object of the present invention is therefore to ensure a quick and easy installation and disassembly of the clothing carrier at the same time secure attachment of the clothing carrier on the body.
  • the clothing carrier according to the invention is provided for an opening roller rotatably mounted about an axis of rotation of an open-end spinning device. It has parts of a quick release, by means of which the clothing carrier is detachably fastened to a base body of the opening roller.
  • the quick release is designed as a rotary closure, so that the clothing carrier is releasably connectable to the base body by means of a rotary movement about the axis of rotation, which takes place relative to the base body provided therefor. This ensures a very quick and easy assembly and disassembly of the clothing carrier on / from the base body of the opening roller.
  • a secure attachment of the clothing carrier on the body is ensured by the screw cap, as in particular axially acting on the compound forces can not cause a detachment of the clothing carrier from the body.
  • a secure attachment of the clothing carrier on the base body can be improved if the rotary closure is designed such that the rotational movement for locking the clothing carrier on the base body is opposite to the direction of rotation of the opening roller.
  • the main reason for this is that when starting the opening roller and during the dissolution of the sliver, the essential forces acting on the connection between the clothing carrier and body opposite to the direction of rotation. An unintentional release of the clothing carrier from the main body by a rotation in the direction of rotation of the opening roller is therefore excluded.
  • the clothing carrier has at least one radially spaced connecting element. This is designed such that it is able to correspond with a leaf spring designed as a spring element of the body. Here it forms a positive connection with the spring element in the axial direction.
  • the connecting element is preferably hook-shaped. Alternatively or additionally, it may also be formed as a distinction, rib and / or groove in the clothing carrier.
  • the rotary closure can advantageously be made very easily and inexpensively. In addition, this ensures a very strong and stable form-fitting connection between the clothing carrier and the base body, so that a detachment of the clothing carrier is excluded from the body by axial force.
  • the connecting element has for insertion of the spring element on a first opening which is oriented in the circumferential direction. It is advantageous if it has a second opening, which preferably points radially inward. As a result, the rotary closure can be designed to save space. Also, thus advantageously the spring element radially inward and the corresponding connecting element can be arranged radially outwardly on the clothing carrier and / or base body, whereby a simpler design of the spring element is made possible.
  • the connecting element for guiding and tensioning of the spring element during the twisting operation on a spring stop surface to ensure proper locking of the clothing carrier on the body.
  • the spring abutment surface points away from the intended base body or points towards the clothing carrier, since the clothing carrier is thus pressed against the base body by means of the spring force applied by the spring abutment surface against the spring abutment surface.
  • the clothing carrier has at least one first abutment surface, which is able to correspond to a first abutment surface of the main body in such a way that a positive connection is formed between the clothing carrier and the main body in the circumferential direction.
  • the two first abutment surfaces abut against each other when the clothing carrier for connecting to the base body with respect to this, in particular against the direction of rotation, is twisted.
  • a very stable form-locking connection is formed between the clothing carrier and the base body, in particular against the direction of rotation of the opening roller, which is capable of absorbing high forces.
  • the first stop surface is arranged on the clothing carrier in such a way that it points in the circumferential direction. As a result, the first stop surfaces can absorb very high forces without the clothing carrier slipping relative to the base body.
  • the clothing carrier has at least one second abutment surface, which is able to correspond to a second abutment surface of the main body in such a way that a positive connection is formed between the clothing carrier and the main body in the axial direction.
  • the two second stop surfaces are not adjacent to each other, but have a game to each other when the clothing carrier for connecting to the body relative to this, in particular against the direction of rotation, is rotated.
  • the second stop surfaces act as overload protection for the spring element, if the clothing carrier erroneously wants to be removed by means of an axial movement of the body.
  • the first abutment surface is arranged on the clothing carrier in such a way that it points in the axial direction. As a result, the second stop surfaces can absorb very high forces without the clothing carrier slipping relative to the base body.
  • the first abutment surface can be produced in a particularly simple and cost-effective manner if it is formed on the connecting element, in particular as a shoulder. In addition, this allows a particularly space-saving design of the rotary closure, since at the same time an overlap region between the second stop surfaces can be formed.
  • the shoulder is preferably formed in the region of a first flank of the connecting element and / or preferably shows this first flank against the direction of rotation, since this thus during locking of the clothing carrier in the body during a rotational movement against the direction of rotation of the opening roller with the connecting element of Body comes into contact and thus forms a positive connection against the direction of rotation.
  • the clothing carrier To disassemble the clothing carrier from the body this must be rotated in the direction of rotation of the opening roller relative to the clothing carrier. To preclude accidental release of the clothing carrier from the body and give the user during installation of the clothing wearer an acoustic and / or haptic feedback - as soon as the clothing is properly attached to the body - it is advantageous if the clothing carrier has a locking edge, with a Rastschulter a spring element of the body is able to correspond.
  • a compact design can be realized when the locking edge is formed on the connecting element spaced from the first edge in the circumferential direction, in particular in the region of a second edge of the connecting element. Furthermore, thus the two stop surfaces corresponding to each other only come into contact with the latching edge when the latching shoulder engages.
  • the shoulder and the locking edge are preferably located on the two opposite flanks of the connecting element.
  • the clothing carrier may have a spring element designed as a leaf spring, which is able to correspond to a connecting element arranged radially on the main body and radially spaced from the axis of rotation, wherein the spring element extends substantially perpendicular to the axis of rotation.
  • the clothing carrier has a plurality of circumferentially spaced-apart connecting elements.
  • the individual connecting elements can be made smaller, since the forces acting on several connecting elements are divided.
  • the clothing carrier in particular in the region of its end face, at least one radial recess which is able to engage in a radial elevation of the body, in particular in the region of its groove, such that formed in at least one of the two circumferential directions a positive connection is.
  • the recess formed in the circumferential direction in a coded angular position and / or shape accordingly acts as a key element, which ensures that only such clothing carriers can be mounted on a base body formed with the coded elevation, which have a corresponding depression corresponding thereto. In this way it can be avoided that copies of the clothing carrier - whose quality can not be guaranteed and which therefore entail an increased accident risk due to the increased risk of detachment - can be fastened to the base body.
  • the depression in a two-piece with a clothing holder and fitting ring fitting carrier has the advantage that the fitting ring can be connected to the main body only if it is oriented correctly relative to this.
  • the secure entrainment of the clothing ring in the direction of rotation is ensured by means of the thus formed positive connection between the base body and ring. Slipping of Garniturrings is thus excluded.
  • the clothing carrier is formed in one piece or the clothing holder is rotatably connected to the fitting ring, it is advantageous if the recess extends in the circumferential direction over an angular range, which substantially corresponds to the angle of rotation of the clothing carrier relative to the base body.
  • the clothing carrier can be screwed into the base body when the base body has at least one elevation.
  • the mutually corresponding recess and survey thus form only in one of the two circumferential directions, in particular against the direction of rotation, a positive connection of the clothing carrier with the body.
  • the clothing carrier is formed in two parts, wherein the clothing carrier has a clothing holder and an associated fitting ring. As a result, the replacement parts costs can be reduced because essentially only the ring gear has to be replaced and no longer the entire clothing carrier.
  • the clothing ring can advantageously be pressed between the clothing holder and the base body in the axial direction.
  • the opening roller for an open-end spinning device has a main body and a clothing carrier.
  • the opening roller by means of the body rotatably on a drive shaft of the open-end spinning device can be fastened.
  • the clothing carrier preferably has a clothing for dissolving a sliver.
  • the base body and the clothing carrier are able to rotate about a common axis of rotation and are releasably connected to each other by means of a quick release.
  • the quick release is designed as a rotary closure, so that the clothing carrier is releasably connected by means of a rotary movement about the axis of rotation relative to the base body with the base body.
  • the clothing carrier according to the preceding description is formed, wherein said features may be present individually or in any combination.
  • the clothing carrier is connected in the axial direction positively to the base body.
  • the connection between the clothing carrier and the base body can absorb very high forces in the axial direction, whereby a secure anchoring of the clothing carrier is ensured in the body.
  • the clothing carrier in the circumferential direction is positively and / or non-positively connected to the base body. An unintentional detachment of the clothing carrier from the base body can be avoided in particular if it is connected in a form-fitting manner with the base body counter to the direction of rotation of the opening roller.
  • Such a positive connection is particularly well suited to absorb high forces acting on the connection between clothing carrier and body in particular counter to the direction of rotation when the sliver is dissolved by the clothing during rotation of the opening roller. Such forces, which counteract the direction of rotation, also occur when starting the opening roller. In contrast, only small forces act during operation of the opening roller in the direction of rotation. As a result, it is advantageous if the clothing carrier is non-positively connected in particular in the direction of rotation of the opening roller, since thus at a sufficiently strong connection of the clothing carrier with the body at the same time a simple assembly and disassembly of the clothing carrier is ensured by the body. In the direction of rotation acting forces occur essentially only when braking the opening roller.
  • the non-positive and / or positive connection between clothing carrier and body in the direction of rotation of the opening roller is therefore designed so that it does not dissolve at such braking forces.
  • the base body or the clothing carrier has at least one connecting element which is radially spaced from the axis of rotation.
  • the connecting element can be brought into engagement with a corresponding spring element.
  • the connecting element is preferably hook-shaped.
  • the connecting element can also be formed as a distinction, depression, elevation, groove and / or rib in the base body and / or clothing carrier.
  • the connecting element further comprises a first and preferably a second opening into which the corresponding spring element at least partially engages.
  • a connecting element embodied as a groove and / or rib can extend over the entire circumference of the main body and / or clothing carrier.
  • the connecting element formed as a groove and / or rib has at least one interruption, into which the corresponding spring element and / or a further connecting element can be inserted.
  • the connecting elements in the base body and / or clothing carrier can be produced very easily and inexpensively.
  • the main body or the clothing carrier In order to connect the clothing carrier with the main body in the direction of rotation of the opening roller so that it can be easily mounted on the main body and easily disassembled from this, the main body or the clothing carrier on a leaf spring.
  • the spring element is arranged on the base body or on the clothing carrier in such a way that it presses the base body and the clothing carrier against one another in the axial direction, in particular when engaging in the connecting element. This will be between the main body and the clothing carrier in the circumferential direction a formed frictional connection.
  • the contact pressure of the spring element is so great that the connection does not dissolve on one side when braking the opening roller and it can be solved at the same time on the other side by the muscle power of the average person.
  • the main body and the clothing carrier each have at least one first and / or one second stop surface.
  • the first abutment surface is arranged on the main body and clothing carrier in such a way that they rest against one another when the clothing carrier for connecting to the main body is rotated relative to the main body, in particular counter to the direction of rotation.
  • a positive connection of the clothing carrier is advantageously formed in the circumferential direction with the main body, whereby the rotary closure, especially against the direction of rotation of the opening roller, high forces is able to act, in particular when starting the opening roller and when dissolving the sliver act on the rotary closure.
  • a defined rotational position of the clothing carrier relative to the main body is advantageously determined by means of the abutting first abutment surfaces, in which the connecting element and / or spring element of the clothing carrier engages ideally in the connecting element and / or spring element of the base body.
  • the second stop surface is arranged on the base body and clothing carrier such that they form a positive connection in the axial direction assets.
  • the second stop surfaces are preferably aligned in the axial direction and facing each other. If the clothing carrier is connected to the main body by means of the rotational movement, the second stop surfaces are not adjacent to each other, but have a game to each other.
  • the second stop surfaces thus act as overload protection for the spring element. Such overloading can occur, in particular, when a user does not attempt to release the clothing carrier from the body by means of a rotational movement, but incorrectly by means of a linear axial movement. In this way, the spring element could be deformed beyond its elastic range, so that the clothing carrier would no longer be drawn tightly against the base body. Before such overloading of the spring element occurs, however, the second abutment surfaces abut each other and prevent by the thus formed positive locking in the axial direction further axial remover of the clothing carrier from the body.
  • the first abutment surface on the spring element in particular in the region of one of its free ends, and / or the first and / or second abutment surface on the connecting element, in particular in the region of a first edge is formed.
  • the second stop surfaces can be produced, if this is formed in the form of a paragraph in the connecting element.
  • an overlapping area for the second stop surfaces can thus also be formed at the same time.
  • the connecting element advantageously has a first flank and a second flank, wherein the first flank is oriented counter to the direction of rotation of the opening roller and the second flank is oriented in the direction of rotation of the opening roller.
  • the shoulder is preferably formed in the region of the first edge of the connecting element of the clothing carrier.
  • the spring element has at least one resilient leg with a free end and in the region of the free end a latching shoulder is formed, which is latched to a latching edge of the base body and / or the clothing carrier.
  • the locking shoulder of the fitter advantageously receives an acoustic and haptic feedback, so that he knows exactly when the clothing is relative to the body in the correct angular position in which a reliable locking of the clothing carrier is ensured in the body.
  • the interlocking locking shoulder and locking edge in the circumferential direction form a positive connection and / or adhesion, whereby unintentional release of the rotary closure, in particular during braking of the opening roller, is prevented.
  • the locking edge on the connecting element from the first edge in the circumferential direction spaced, in particular in the region of a second edge of the spring element corresponding to the connecting element formed.
  • the locking shoulder of the spring element engages only behind the locking edge when the first abutment surfaces abut each other for the positive connection in the circumferential direction.
  • the base body and / or the clothing carrier has at least two, in particular a plurality, connecting elements which are spaced apart from one another in the circumferential direction, in particular equidistantly.
  • Each of these connecting elements is assigned in each case a spring element and / or a resilient leg, so that they correspond with each other.
  • the connecting elements can be designed to save space, since the force acting in the circumferential and axial forces uniformly split on all fasteners.
  • the spring element is designed in several parts, wherein in particular in each case one spring element part is associated with one of the connecting elements corresponding therewith. This can advantageously the resilient portion of the leg are made longer and thus softer, which is usually favorable in clip applications.
  • the spring element has a ramp, with which the connecting element first comes into contact during assembly during the rotational movement.
  • a reliable locking of the locking shoulder is promoted behind the locking edge, since the connecting element is guided by the ramp.
  • the tensioning of the spring when screwing in over a shallow angle, whereby the required for mounting the clothing carrier on the body torque is kept as low as possible.
  • the open-end spinning device has at least one spin box, which comprises an opening roller.
  • the opening roller is formed according to the previous description, wherein said features may be present individually or in any combination.
  • FIG. 1 shows an opening roller 1 for an open-end spinning device, which has a base body 2 and a clothing carrier 3.
  • the opening roller 1 is rotatably by means of the main body 2 on a drive shaft 4 of the open-end spinning device, which in FIG. 1 not shown, centered and fixed.
  • the clothing carrier 3 is also centered on the drive shaft 4.
  • the drive shaft 4 is rotatably mounted in a receptacle 5.
  • the clothing carrier 3 has on its outer circumference 6 a spirally formed clothing recess 7, in which a clothing 34 is disposed for dissolving a sliver.
  • the main body 2 and the clothing carrier 3 are releasably connected to each other by means of a rotary closure 8.
  • the rotary closure 8 is designed such that it allows for a very fast and easy assembly and disassembly of the clothing carrier 3 on / from the base body 2 at the same time high absorption force in the axial direction.
  • the rotary closure 8 is designed such that the clothing carrier 3 by means of a rotary movement counter to the direction of rotation R of the opening roller 1 - see.
  • FIG. 2a and 3 - Is releasably connected to the base body 2.
  • the clothing carrier 3 according to FIG. 1 and FIG. 3 from the axis of rotation A of the opening roller 1 radially spaced connecting elements 9a, 9b, 9c, which with a in FIG. 1 . 2a and 2 B represented spring element 11 of the base body 2 correspond to such that axially along the axis of rotation A. a positive connection between the base body 2 and the clothing carrier 3 is formed.
  • the spring element 11 is stretched in the axial direction such that the clothing carrier 3 is pressed firmly against the base body 2.
  • the main body 2 and the clothing carrier 3 each have a friction surface 12, 12 ', which are pressed against one another to form the frictional connection. Due to the thus defined stop or the play-free connection of the clothing carrier 3 with the base body 2 is avoided that set 3 fibers between the base body 2 and the clothing carrier, which would lead to contamination in the yarn during detachment.
  • the clothing carrier 3 has a plurality of connecting elements 9a, 9b, 9c, which are spaced from each other in the circumferential direction, wherein the distances are formed equidistantly.
  • the connecting elements 9a, 9b, 9c are arranged on the inner circumference 17 of the clothing carrier 3.
  • Each of them has a first opening 32 and a second opening 33.
  • the first opening 32 points in the circumferential direction and the second opening 33 radially inwards.
  • the main body 2 according to FIG. 2a and 2 B and the clothing carrier 3 according to FIG. 3 each have a first stop surface 13 ', 13 which correspond to one another.
  • the first abutment surface 13 of the clothing carrier 3 is oriented according to Figure 3 in the circumferential direction against the direction of rotation R.
  • the first abutment surface 13 'of the main body 2 shows according to FIG. 2a however, in the direction of rotation R.
  • the rotary closure 8 connects the clothing carrier 3 with the base body 2 in the circumferential direction by means of the two first stop surfaces 13, 13 'form fit.
  • the two mutually corresponding first stop surfaces 13, 13 ' abut each other in the circumferential direction when the clothing carrier 3 according to FIG. 1 is twisted to lock against the main body 2.
  • FIG. 3 is the first abutment surface 13 of the clothing carrier 3 in the form of a shoulder 15 in the region of a first edge 16 of the connecting element 9a, 9b, 9c formed.
  • the first flank 16 of the connecting element 9a, 9b, 9c points in the direction of rotation R, so that upon rotation of the clothing carrier 3 counter to the direction of rotation R strikes the trained by means of paragraph 15 first abutment surface 13 of the clothing carrier 3 against the first abutment surface 13 'of the base body 2 , As a result, a positive connection between the base body 2 and the clothing carrier 3 is formed in the circumferential direction.
  • both the base body 2 and the clothing carrier 3 each have a second stop surface 14, 14 '.
  • the clothing carrier 3 can be further rotated relative to the main body 2 by the circumferentially extending length of the heel 15, so that the two stop surfaces 14, 14 'which correspond with one another at least partially overlap, so that they form a positive fit with one another in the axial direction ,
  • the second stop surfaces 14, 14 ' are aligned in the axial direction and facing each other.
  • Overloading can occur, in particular, when a user does not attempt to release the clothing carrier 3 from the base body 2 by means of a rotational movement, but incorrectly by means of a linear movement along the axis of rotation A.
  • the spring element 11 can be deformed beyond its elastic range, so that the clothing carrier 3 is no longer pulled close to the base body 2.
  • the second abutment surfaces 14, 14 ' abut each other and prevent by the thus formed positive locking in the axial direction further axial removers of the clothing carrier 3 from the main body 2.
  • the game 10 is smaller than the maximum travel of the spring element 11 in the axial direction in the elastic region.
  • FIG. 2a and 2 B show the main body 2 in FIG. 1
  • the rotary closure 8 comprises in addition to the first 13 'and second 14' stop surface still the spring element 11.
  • the spring element 11 is formed in the present embodiment as a one-piece leaf spring and is when engaging in the connecting elements 9a, 9b, 9c each by means of a spring stop surfaces 24, according to FIG. 3 , Tensed so that it pulls the clothing carrier 3 in the axial direction of the main body 2. This is in accordance with FIG.
  • the spring element 11 is integrally formed. It is rotatably connected to the main body 2.
  • the spring element 11 teeth 39 which engage in recesses 40 of the base body 2 such that in the circumferential direction a positive connection is formed.
  • the teeth 39 and the recesses 40 are formed at defined angular intervals, so that the spring element 11 is always positioned in the correct angular position to the first abutment surfaces 13 '.
  • the spring element 11 is fixed, in particular by caulking, on the base body 2.
  • the main body 2 has a support surface 31.
  • the spring element 11 has a plurality of legs 18a, 18b, 18c, which are each associated with one of the connecting elements 9a, 9b, 9c of the clothing carrier 3. For the sake of clarity, only one of the legs 18a, 18b, 18c is also provided with reference numerals.
  • the legs 18a, 18b, 18c each have a latching shoulder 20 in the region of their free ends 19. Furthermore, a ramp 29 is arranged.
  • the first abutment surfaces 13 ' are arranged on the main body 2 in each case in the region of the free ends 19 of the resilient legs 18a, 18b, 18c.
  • the leg 18a, 18b, 18c includes a bending region 21, so that the free end 19 and the locking shoulder 20 are formed substantially flexible in the axial direction.
  • the bending region 21 is formed adjacent to the latching shoulder 20.
  • the legs 18a, 18b, 18c of the spring element 11 fixed to the main body 2 are arranged at the same angular intervals as the connecting elements 9a, 9b, 9c of the clothing carrier 3, so that they can correspond with the connecting elements 9a, 9b, 9c of the clothing carrier 3.
  • the connecting element 9a, 9b, 9c of the clothing carrier 3 according to FIG. 3 each have a locking edge 22. This is formed in the region of a second flank 23 of the connecting element 9a, 9b, 9c corresponding to the spring element 11.
  • the locking edge 22 is aligned obliquely to the first stop surface 13.
  • the clothing carrier 3 is first placed in the axial direction on the base body 2 (see. Figure 1-3 ).
  • the main body 2 has according to FIG. 2a in the region of its outer periphery, in particular in the groove 36, elevations 27, which prevent a further approach in the axial direction with incorrect angular position of the clothing carrier 3 relative to the base body 2.
  • the clothing carrier 3 has according to FIG. 3 Recesses 28 on. These are in the region of the end face 35 of the clothing carrier 3, in particular in the region of its inner circumference 17, formed. As soon as the clothing carrier 3 has the appropriate angular position relative to the base body 2, the elevations 27 engage in the respectively corresponding recess 28 of the clothing carrier 3.
  • the clothing carrier 3 penetrates in the region of its end face 35 in the circumferential groove 36 of the base body 2, so that the clothing carrier 3 is positively connected to the base body 2 in the radial direction and guided in the circumferential direction.
  • the clothing carrier 3 is now also centered on the drive shaft 4.
  • the connecting elements 9a, 9b, 9c of the clothing carrier 3 are located in the circumferential direction in each case in an insertion region 37 of the spring element 11, which is in each case formed between two adjacent legs 18a, 18b, 18c of the spring element 11.
  • the recesses 28 extend according to FIG. 3 in the circumferential direction over an angular range, which substantially corresponds to the angle of rotation of the clothing carrier 3 relative to the base body 2.
  • the clothing carrier 3 can be screwed into the base body 2.
  • the spring abutment surfaces 24 of the connecting elements 9a, 9b, 9c come into contact with the respective limb 18a, 18b, 18c in the bending region 21, since the limbs 18a, 18b, 18c are curved in the bending region 21 in the axial direction towards the main body 2.
  • the spring stop surfaces 24 point away from the main body 2.
  • the connecting elements 9a, 9b, 9c move during further rotation in the circumferential direction to the free ends 19 out.
  • the legs 18a, 18b, 18c elastically deformed in their bending areas 21, wherein the free ends 19 of the legs 18a, 18b, 18c are pressed away from the main body 2 in the axial direction by means of the spring stop surfaces 24.
  • the clothing carrier 3 is thus pressed in the axial direction with its end face 35 in the groove 36 of the base body 2, so that in the circumferential direction a frictional connection is formed.
  • the clothing carrier 3 is now positively connected to the base body 2 in the axial direction by means of the legs 18a, 18b, 18c of the spring element 11 engaging in the connecting elements 9a, 9b, 9c. Contrary to the direction of rotation R of the opening roller 1 is due to the mutually corresponding first stop surfaces 13, 13 'also a positive connection before. In the direction of rotation R of the clothing carrier 3 with the base body 2 by the mutually corresponding friction surfaces 12, 12 ' positively connected, which are pressed by means of the spring element 11 in the axial direction to each other. Further, in the direction of rotation R by means of the latched in the locking edge 22 latching shoulder 20 is a positive and / or non-positive connection.
  • FIG. 4 shows an alternative embodiment of the opening roller 1 with a two-piece clothing carrier 3.
  • the clothing carrier 3 a clothing holder 25 and an associated fitting ring 26 on.
  • the fitting ring 26 is positively connected to the base body 2 and the clothing holder 25 in the axial and radial directions.
  • the base body 2 in the region of its outer periphery elevations 27 which engage positively in recesses 28 of the fitting ring 26.
  • the recesses 28 do not extend beyond such an angular range, so that there is a rotationally fixed connection between the fitting ring 26 and body 2.
  • the clothing holder 25 is rotated relative to the base body 2 and the fitting ring 26, which is thus positively connected in the circumferential direction.
  • the recesses 28 are formed in the axial direction exclusively in the region of the end face 35 of the clothing carrier 3 or in the region of the clothing ring 26, which faces the base body 2. In this way, it can advantageously be ensured that the fitting ring 26 can be connected to the base body 2 exclusively in the correct orientation. An installation of Garniturrings 26 with incorrectly oriented set is thus excluded. Due to the multi-part design of the clothing carrier 3rd Advantageously, not the entire clothing carrier 3 must be replaced with worn clothing, but only the fitting ring 26th
  • the clothing holder 25 is centered on the drive shaft 4.
  • the fitting ring 26 is received in the clothing holder 25, however, with a small clearance and centered on the base body 2.
  • FIG. 5 shows the clothing holder 25 in a perspective view.
  • the connecting elements 9a, 9b, 9c are spaced from each other on the clothing holder 25 in the circumferential direction.
  • the distances between the connecting elements 9a, 9b, 9c are formed equidistant.
  • FIG. 6a and 6b show an alternative embodiment of the spring element 11, which in the present case is designed in several parts.
  • the main body 2 for each of the in FIG. 5 illustrated connecting element 9a, 9b, 9c of the clothing carrier 3, a separate spring element 11a, 11b, 11c.
  • Each of these spring elements 11a, 11b, 11c is formed with a leg 18.
  • the spring elements 11a, 11b, 11c oriented in the circumferential direction such that the free ends 19 point in the direction of rotation and thus come first with the connecting elements 9a, 9b, 9c in contact.
  • the spring elements 11a, 11b, 11c additionally comprise in each case a ramp 29.
  • the ramp 29 is in the region of the free end 19 formed and ends from the free end 19, starting at the locking shoulder 20th
  • each of the spring elements 11a, 11b, 11c is clawed in a holding opening 30 of the main body 2.
  • the spring elements 11 each have with their holding opening 30 on a first, second and third support point 38 a, 38 b, 38 c.
  • the spring element 11 has a first bending region 21 a, which is formed in the region of the leg 18.
  • the spring element 11 has a second bending region 21b, which is formed between the second and third support point 38b, 38c in the holding opening 30.
  • the spring elements 11a, 11b, 11c bend both in their first and in their second bending region 21a, 21b, wherein the second bending region 21b bulges into the holding opening 30.
  • the base body 2 has a bearing surface 31, on which the spring element 11 rests biased. In this way, advantageously, the ramp 29 can be made shorter.
  • FIG. 7 shows an alternative embodiment of the base body 2, in which the spring element 11, the first stop surface 13 'has.
  • the first abutment surface 13 'in the region of the free ends 19 of the legs 18 is formed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Slide Fasteners, Snap Fasteners, And Hook Fasteners (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
  • Vehicle Step Arrangements And Article Storage (AREA)
  • Details Of Garments (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Mechanical Operated Clutches (AREA)
EP13152014.0A 2012-01-23 2013-01-21 Garniturträger und Auflösewalze mit Schnellverschluss Active EP2617882B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102012100526A DE102012100526A1 (de) 2012-01-23 2012-01-23 Garniturträger und Auflösewalze mit Schnellverschluss

Publications (2)

Publication Number Publication Date
EP2617882A1 EP2617882A1 (de) 2013-07-24
EP2617882B1 true EP2617882B1 (de) 2019-04-10

Family

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EP13152014.0A Active EP2617882B1 (de) 2012-01-23 2013-01-21 Garniturträger und Auflösewalze mit Schnellverschluss

Country Status (6)

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US (1) US9328758B2 (pt)
EP (1) EP2617882B1 (pt)
CN (1) CN103215702B (pt)
BR (1) BR102012033379B1 (pt)
DE (1) DE102012100526A1 (pt)
TR (1) TR201907116T4 (pt)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013103035A1 (de) 2013-03-25 2014-09-25 Rieter Ingolstadt Gmbh Auflösewalze mit Drehverschluss und Sicherungselement
CN104533184B (zh) * 2014-12-22 2016-11-09 苏州德仕耐五金技术有限公司 用于板与板之间的快速连接器
DE102015114872A1 (de) 2015-09-04 2017-03-09 Rieter Ingolstadt Gmbh Auflösewalze mit einem Drehverschluss und einer Sicherungseinrichtung für den Drehverschluss
FR3058771B1 (fr) * 2016-11-14 2020-02-28 Safran Electronics & Defense Dispositif de transmission mecanique
US10124742B2 (en) * 2017-03-13 2018-11-13 Honda Patents & Technologies North America, Llc. Fastener apparatus, and methods of use and manufacture thereof
DE102017129152A1 (de) * 2017-12-07 2019-06-13 Maschinenfabrik Rieter Ag Auflösewalze für eine Offenend-Spinnvorrichtung sowie Offenend-Spinnvorrichtung
CN109469793A (zh) * 2018-11-27 2019-03-15 深圳市证通电子股份有限公司 快速拆装机构
CN110306264B (zh) * 2019-07-16 2021-07-27 济宁精忠纺织有限公司 一种便于高转速纺纱转杯自由端安装拆卸的装置

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Publication number Priority date Publication date Assignee Title
US2541526A (en) * 1950-05-19 1951-02-13 Hendrik W Lundquist Clutch for floor conditioning machines
DE2009592A1 (de) * 1970-03-02 1971-09-16 Barmag Barmer Maschinenfabrik Ag, 5600 Wuppertal Leicht trennbare Spindelbefestigung
DE2528485B2 (de) 1975-06-26 1978-10-12 Schubert & Salzer Maschinenfabrik Ag, 8070 Ingolstadt Auflösewalze für eine Offenendspinnvorrichtung
CH614467A5 (pt) * 1977-03-01 1979-11-30 Burckhardt Christoph Co
DE2752591A1 (de) * 1977-11-25 1979-05-31 Reiners & Fuerst Aufloesewalze fuer eine offenend- spinnmaschine
GB1596531A (en) * 1978-05-26 1981-08-26 Eadie Bros & Co Ltd Textile opening rollers
CH661535A5 (en) * 1983-11-18 1987-07-31 Braecker Ag Opening roller for an open-end spinning apparatus
CH669215A5 (de) 1986-04-10 1989-02-28 Heinz Buess Oeffnerwalze.
DE19503682C1 (de) * 1995-01-30 1996-05-02 Mannesmann Ag Schnellwechselvorrichtung für Walzscheiben
DE19549679B4 (de) * 1995-06-07 2008-01-31 Rieter Ingolstadt Spinnereimaschinenbau Ag Auflösewalze für eine Offenend-Spinnvorrichtung
DE10054697A1 (de) * 2000-11-04 2002-05-08 Schlafhorst & Co W Auflösewalze für eine Offenend-Spinnvorrichtung
DE10132867A1 (de) * 2001-07-06 2003-01-23 Rieter Ingolstadt Spinnerei Auflösewalze
DE10236992B4 (de) * 2002-03-15 2012-10-04 Rieter Ingolstadt Gmbh Auflösewalze für eine OE-Spinnvorrichtung
DE10236922A1 (de) 2002-08-12 2004-03-04 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Druckregelmodul für eine Druckluft-Bremsanlage eines Fahrzeugs
CZ16577U1 (cs) * 2006-04-18 2006-06-08 Rieter Cz A. S. Vycesávací válecek zejména pro ojednocovací ústrojí doprádacího stroje
DE102007037229A1 (de) 2007-08-07 2009-02-12 Rieter Ingolstadt Gmbh Auflösewalze mit Clipverbindung

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Publication number Publication date
TR201907116T4 (tr) 2019-06-21
CN103215702B (zh) 2017-05-10
BR102012033379A2 (pt) 2014-03-18
CN103215702A (zh) 2013-07-24
US9328758B2 (en) 2016-05-03
EP2617882A1 (de) 2013-07-24
US20130189029A1 (en) 2013-07-25
DE102012100526A1 (de) 2013-07-25
BR102012033379B1 (pt) 2021-02-23

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